Oak Creek police are actively searching for an armed suspect who remains at large as of Wednesday night, September 9, 2026. The search operation prompted a temporary lockdown at the Milwaukee Area Technical College (MATC) Oak Creek campus. At approximately 9:00 p.m., MATC Public Safety received information from the Oak Creek Police Department indicating that officers were searching the area surrounding the campus for the individual. In response to the potential threat, the college issued a text message alert to students and staff, instructing them to lock their doors and windows and to stay in place as a precautionary measure. The lockdown remained in effect for approximately 40 minutes. During this time, police conducted a search of the immediate vicinity but reported no confirmed sightings of the suspect on the college grounds. At approximately 9:40 p.m., a second text message was sent to the campus community confirming that the lockdown had been lifted and normal operations could resume. The suspect has not been apprehended, and their identity has not been publicly released at this time. Authorities continue to seek information regarding the individual's whereabouts. The Oak Creek Police Department is investigating the incident and is urging anyone with information about the armed suspect's location or activities to come forward. This is a developing story, and further details regarding the suspect's description or the nature of the incident may be released as the investigation progresses. Residents and students are advised to remain vigilant and report any suspicious activity to local law enforcement immediately.